I had good amount of low-level programming experience with Z80 and x86 assembly, including implementing my own bootloader for a file system design of my own. I

I had good amount of low-level programming experience with Z80 and x86 assembly, including implementing my own bootloader for a file system design of my own. I got the basic data structures and algorithms down and finally, I passed the interview. I had about 10 years of professional development experience when I was hired.